struts2-ajax-頁面的自動重新整理
阿新 • • 發佈：2018-12-26
不多說，直接載入原始碼：
需要的包檔案：
commons-fileupload-1.2.1.jar
commons-io-1.3.2.jar
commons-logging-1.1.jar
freemarker-2.3.13.jar
log4j-1.2.17.jar
ognl-2.6.11.jar
struts2-core-2.1.6.jar
struts2-dojo-plugin-2.1.8.1.jar
xwork-2.1.2.jarStruts2Test.java原始碼：
package com.test; import com.opensymphony.xwork2.ActionSupport; @SuppressWarnings("serial") public class Struts2Test extends ActionSupport{ private static int count=0; //注：此處必須得加上static，否則每次執行時都會載入count=0 public int getCount() { return ++count; } @Override public String execute() throws Exception { // TODO Auto-generated method stub return "success"; } }
struts.xml原始碼：
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <constant name="struts.devMode" value="true" /> <package name="default" extends="struts-default" namespace="/"> <action name="sa" class="com.test.Struts2Test" > <result name="success">/success.jsp</result> </action> </package> </struts>
web.xml原始碼：
<?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
index.jsp原始碼：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags" %>
<%@taglib prefix="sx" uri="/struts-dojo-tags"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
<!-- 下面的頭資訊不可或缺，否則程式會報錯！ -->
<!-- 不加下面的頭資訊，錯誤資訊為：ReferenceError: djConfig is not defined -->
<s:head/>
<sx:head parseContent="true"/>
<!-- 上面的頭資訊不可或缺，否則程式會報錯！ -->
<base href="<%=basePath%>">
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<sx:div href="sa.action" updateFreq="3000" >
<p>你好</p>
</sx:div>
<p>你好2</p>
</body>
</html>success.jsp原始碼：
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<%@taglib prefix="sx" uri="/struts-dojo-tags"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
<s:head/>
<sx:head parseContent="true"/>
<base href="<%=basePath%>">
<title>SUCCESS</title>
</head>
<body>
<p>頁面重新整理的次數</p>
<s:property value="count"/>
</body>
</html>執行的結果：
重新整理中。。。
